Welcome to the demigod school

Leo: Hey guys! What's up! I'm Leo and I'm here to show you awesome toys you can make!
Octavian: Really? Us roman's were top notch architects and engineers. I bet i can't learn anything from you.
Sadie Chase: *Punches Octavian*
Rest of the class: *Applauds*
Sadie Chase: Sorry professer, he was getting annoying.
Leo: It's all good. Actually i think you should do that more often. Anyway. Pull out your wires.
Hominus Ruina: *Pulls out a ton of tangled wires*
Rest of class: *Pulls out wires.*
You want to hook the green circuts to the red holes and the yellow to the blue.
Comeron Rell: *Assembles the parts quickest*
Leo: Good job Cameron Rell, looks like your good with this.
The rest of the class assembles their parts.
Leo: Now, good job. Put your parts in the little premade models around.
Leo: Good job, now, you guys can race your little models.
*Class races models* Son of Tartarus' wins almost everytime.

Notes

Questions:
Which color does the blue wire connect to?
What color is connected to the blue circut?